Home / 39,542.75-54,568.93-21,637.75

Finding the Fourth Proportional to 39,542.75, 54,568.93 and 21,637.75

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Solution

The fourth proportional to 39,542.75, 54,568.93 and 21,637.75 is: 29,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,542.75 : 54,568.93 = 21,637.75 : x
  2. Step 2: Convert to fraction form
    39,542.75/54,568.93 = 21,637.75/x
  3. Step 3: Cross multiply
    39,542.75x = 54,568.93 × 21,637.75
  4. Step 4: Simplify right side
    39,542.75x = 1,180,748,592.26
  5. Step 5: Solve for x
    x = 1,180,748,592.26/39,542.75
  6. Step 6: Final answer
    x = 29,860.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.